diff options
Diffstat (limited to 'src/org/traccar/protocol/XexunFrameDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/XexunFrameDecoder.java | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/src/org/traccar/protocol/XexunFrameDecoder.java b/src/org/traccar/protocol/XexunFrameDecoder.java deleted file mode 100644 index 114e94061..000000000 --- a/src/org/traccar/protocol/XexunFrameDecoder.java +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Copyright 2012 - 2018 Anton Tananaev (anton@traccar.org) - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package org.traccar.protocol; - -import org.traccar.BaseFrameDecoder; -import org.traccar.helper.BufferUtil; - -import io.netty.buffer.ByteBuf; -import io.netty.channel.Channel; -import io.netty.channel.ChannelHandlerContext; - -public class XexunFrameDecoder extends BaseFrameDecoder { - - @Override - protected Object decode( - ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception { - - if (buf.readableBytes() < 80) { - return null; - } - - int beginIndex = BufferUtil.indexOf("GPRMC", buf); - if (beginIndex == -1) { - beginIndex = BufferUtil.indexOf("GNRMC", buf); - if (beginIndex == -1) { - return null; - } - } - - int identifierIndex = BufferUtil.indexOf("imei:", buf, beginIndex, buf.writerIndex()); - if (identifierIndex == -1) { - return null; - } - - int endIndex = buf.indexOf(identifierIndex, buf.writerIndex(), (byte) ','); - if (endIndex == -1) { - return null; - } - - buf.skipBytes(beginIndex - buf.readerIndex()); - - return buf.readRetainedSlice(endIndex - beginIndex + 1); - } - -} |